In verse 1, the Holy Spirit warns us that many who claim to follow Jesus will abandon their faith in Jesus by accepting false doctrine.
Being barren for a woman was considered a disgrace. A barren woman couldn’t fulfill God’s command to fill the earth, and children provided for their parents when they got old.
Gabriel and Michael are the only two angels that are named in the Scriptures.
John came, in the ministry of Elijah to make the people’s hearts ready for Christ.
(Luke 1:11-15) Zechariah’s Prayer Answered And John The Baptist, Having The Holy Spirit Before His Birth
The meaning of the word angel in Greek is messenger. God uses His angels to send messages and to employ service, executing God’s will [Hebrews 1:14], for His saints.